http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2331731-A2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_00a421ab71bd49a451d0a49d23a082c7 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L89-00 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D13-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D7-65 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D5-024 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A23P20-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D5-448 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D13-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25D13-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D7-65 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25D13-04 |
| filingDate | 2009-09-25^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cfea87d2a825e25e8d468acd437333d2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_af12bf425d14cf1676325258873f1622 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4de513c0c2947a23273d7fb226501f1d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f3a3fee0676777092e3aa14df11ebb1b |
| publicationDate | 2011-06-15^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-2331731-A2 |
| titleOfInvention | Aqueous electrophoretic deposition |
| abstract | From an environmental, safety and economic perspective water should be the solvent of choice for electrophoretic deposition under industrial circumstances. However, because of the electrolytic decomposition of water, the majority of EPD is carried out in non-aqueous solvents. Approaches of the art for aqueous deposition involve the separation of the reaction and deposition front by means of a membrane, the use of palladium electrodes to absorb the formed hydrogen, addition of chemicals to suppress the electrolysis reaction, or lowering voltages below the threshold for water electrolysis. With the first two solutions, the production of coatings is impractical since the deposit is not formed on the electrode, or the electrode material is not suitable since the substrate is usually prescribed by the application. The use of specialty chemicals is expensive and difficult to control. Low voltages have been used to form high quality deposits from aqueous systems but they display very low deposition rates, which are not attractive from an economical perspective. Present invention provides a system and a means for which high voltages can be used in the electrophoretic deposition from aqueous suspensions without decomposition of water at satisfying deposition rates. It shows that the deposits obtained show a high green density with excellent surface quality. |
| priorityDate | 2008-09-26^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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